CVE-2022-40761
The function tee_obj_free in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_AllocateOperation with a disturbed heap layout, related to utee_cryp_obj_alloc.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.68%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The function tee_obj_free in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_AllocateOperation with a disturbed heap layout, related to utee_cryp_obj_alloc.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.68% probability · 77th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-1284
- Affected
- samsung/mtower
- Source
- cve@mitre.org
EPSS 1.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/tee/tee_obj.c#L109Patch, Third Party Advisory
- https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/tee/tee_svc_cryp.c#L1248Patch, Third Party Advisory
- https://github.com/Samsung/mTower/issues/83Third Party Advisory
- https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/tee/tee_obj.c#L109Patch, Third Party Advisory
- https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/tee/tee_svc_cryp.c#L1248Patch, Third Party Advisory
- https://github.com/Samsung/mTower/issues/83Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.